COST Action TU0902 Meeting: Web Processing Service (WPS) technologies for Integrated Assessment Modelling in Urban Areas

1. 52°North WPS Use Cases
Benjamin Pross
2014-01-23
Workshop: WPS technologies for
Integrated Assessment Modelling in
Urban Areas

2. Agenda
• About the 52° North WPS
• Features
• Use Cases
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3. 2014-01-23 52°North WPS Use Cases
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4. 52° North WPS
•
•
•
•
•
written in Java
available as Open Source implementation
support of WPS 1.0.0 specification
synchronous and asynchronous processing
Process backends:
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–
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GRASS GIS
Sextante Spatial Data Analysis Library
ArcGIS Server
R
Java Topology Suite
Batch processes
• Process upload via Web Console
• GRID support
• Transactional support
http://52north.org/wps
2014-01-23 52°North WPS Use Cases
52N WPS
Parsers
Processes
Generators
GML
Process 1
GML
KML
Process 2
KML
SHP
…
SHP
Process n
…
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5. Features (cont‘d)
•
•
•
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Fast & easy process creation using Java annotations
Automatic creation of process description
Automatic (un-)marshalling of inputs/outputs
Upload via Web Console
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6. Fast & easy process creation using Java
annotations
• Demo
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7. Features (cont‘d)
• Semi-automatic creation of WPS processes out of Rscripts
• User needs to annotate inputs/outputs
• Rserve is used to execute scripts
• Upload via Web Console
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8. WPS4R
• Demo
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9. Features (cont‘d)
• Grass 7 process repository
– Core modules
– Addons supported
• Uses wps-grass-bridge by Sören
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10. Grass 7 process repository
• Demo
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11. Features (cont‘d)
• GeoServer upload
– Store process outputs in local/remote GeoServers
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12. GeoServer upload
• Demo
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13. USGS Geo Data Portal
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14. INTAMAP
• Real-time mapping of environmental radioactivity
• WPS provides automatic Kriging interpolation
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15. UncertWeb
• WPS4R was developed
• Different models were coupled with the WPS
• Uncertainty handling introduced to WPS
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16. UncertWeb
PDF
Monte Carlo
Service
(UPS)
Uncertainty
Transformation
(UTS)
PDF
Uncertainty
Transformation
(UTS)
LOOP
1 Sample
1 Realisation
Model Service
(WPS)
1 Sample
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1 Realisation
Model
Implementation
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17. UncertWeb
• Demo chain with UncertWeb components
Air quality
observations
(SOS)
O&M
INTAMAP
service
(WPS)
Interpolation of background
concentration
UncertML
+ GML
Uncertainty enabled
Austal model
(UPS + WPS + UTS)
Estimation of air pollution
from local emissions at
point locations
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UncertML
realisations
Overlay
Service
(WPS + UTS)
UncertML
JSON
Web-based
Visualisation
client
Adding both outputs to
final concentration map
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18. UncertWeb
• Exposure client
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19. UncertWeb
• Exposure client
Synthetic
population
(WPS)
Modelling air pollution dispersion
Albatross
(WPS)
Estimation of individual activity schedules
STAS
(WPS)
Spatio-temporal (dis-) aggregation
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AirQUIS
WPS)
O&M +
UncertML
NetCDF-U
Exposure
assessment
(WPS)
Overlay of concentration
and locations
O&M +
UncertML
Web-based
Visualisation
client
Presentation to
end user
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20. Thanks!
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